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https://issues.apache.org/jira/browse/GROOVY-8875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16690666#comment-16690666
]
Pruteanu Dragos commented on GROOVY-8875:
-----------------------------------------
Below a stack trace with Java 11 on Ubuntu. Is any other alternative to tell
Groovy not to print NULL on null objects in templates (and just empty string) ?
07:38:03 BUG! exception in phase 'semantic analysis' in source unit
'Script1.groovy' null
at
org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:972)
at
org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:633)
at
org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:582)
at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:354)
at groovy.lang.GroovyClassLoader.access$300(GroovyClassLoader.java:87)
at groovy.lang.GroovyClassLoader$5.provide(GroovyClassLoader.java:323)
at groovy.lang.GroovyClassLoader$5.provide(GroovyClassLoader.java:320)
at
org.codehaus.groovy.runtime.memoize.StampedCommonCache.compute(StampedCommonCache.java:162)
at
org.codehaus.groovy.runtime.memoize.StampedCommonCache.getAndPut(StampedCommonCache.java:153)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:318)
at groovy.lang.GroovyShell.parseClass(GroovyShell.java:547)
at groovy.lang.GroovyShell.parse(GroovyShell.java:559)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:443)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:482)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:453)
at
com.wisecoders.dbs.rdbms.sync.engine.diffs.SimpleStatement.toString(SimpleStatement.java:70)
> NullObject.metaClass
> --------------------
>
> Key: GROOVY-8875
> URL: https://issues.apache.org/jira/browse/GROOVY-8875
> Project: Groovy
> Issue Type: Bug
> Reporter: Pruteanu Dragos
> Priority: Major
> Fix For: 3.x
>
>
> Hi,
> I execute this. The third shell.evaluate throws an exception:
> {code}
> final GroovyShell shell = new GroovyShell( binding,
> FormsGroovyConfiguration.CONFIG );
> // THIS WILL FORCE NULL VARIABLES TO PRINT AS '' INSTEAD OF NULL
> //
> http://stackoverflow.com/questions/10517817/how-to-get-rid-of-null-when-concating-string-in-groovy
> shell.evaluate("org.codehaus.groovy.runtime.NullObject.metaClass.toString = {
> return '' }");
> {code}
> And got the next exception. This used to work in Java 10 and before, it
> crashes under Java 11. Could have something to do with java modules ?
> {noformat}
> Exception in thread "JavaFX Application Thread" BUG! exception in phase
> 'semantic analysis' in source unit 'Script1.groovy' null
> at
> org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:970)
> at
> org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:633)
> at
> org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:582)
> at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:324)
> at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:294)
> at groovy.lang.GroovyShell.parseClass(GroovyShell.java:558)
> at groovy.lang.GroovyShell.parse(GroovyShell.java:570)
> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:454)
> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:493)
> at groovy.lang.GroovyShell.evaluate(GroovyShell.java:464)
> {noformat}
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